OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Error Output When Running in Parallel (Mpirun) › Reply To: Error Output When Running in Parallel (Mpirun) January 27, 2022 at 11:01 am #6287 AdrianKeymaster I just stumbled upon an issue where these same error messages are generated for another MPI-based simulation tool. Are you perchance running this in a Docker container / some oder abstraction layer?